0,0 → 1,40 |
/* Version of sigsetmask.c |
Written by Steve Chamberlain (sac@cygnus.com). |
Contributed by Cygnus Support. |
This file is in the public doamin. */ |
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/* |
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@deftypefn Supplemental int sigsetmask (int @var{set}) |
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Sets the signal mask to the one provided in @var{set} and returns |
the old mask (which, for libiberty's implementation, will always |
be the value @code{1}). |
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@end deftypefn |
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*/ |
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#define _POSIX_SOURCE |
#include <ansidecl.h> |
/* Including <sys/types.h> seems to be needed by ISC. */ |
#include <sys/types.h> |
#include <signal.h> |
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extern void abort (void) ATTRIBUTE_NORETURN; |
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#ifdef SIG_SETMASK |
int |
sigsetmask (int set) |
{ |
sigset_t new_sig; |
sigset_t old_sig; |
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sigemptyset (&new_sig); |
if (set != 0) { |
abort(); /* FIXME, we don't know how to translate old mask to new */ |
} |
sigprocmask(SIG_SETMASK, &new_sig, &old_sig); |
return 1; /* FIXME, we always return 1 as old value. */ |
} |
#endif |